Three counties under a snow emergency in Central Ohio

Roads in Central Ohio turned icy and slick Saturday.Columbus Police reported more than 30 crashes. Hilliard and Dublin police warned residents on twitter about icy conditions. Gahanna police were only responding to injury accidents Saturday evening because of so many crash reports.Ross, Coshocton and Pike counties are under a level one snow emergency.Here is an explainer of snow emergency levels in Central Ohio:LEVEL 1: Roadways are hazardous with blowing and drifting snow. Roads may also be icy